Peoria Rd. / Bl 55 over Sangamon River
FairSangamon County, Illinois · .9M N Dirksen Pkwy · Structure no. 084003000000000
- Built
- 1926
- 99 years old, rebuilt 1988
- Condition
- Fair
- inspected October 2024
- Type
- Stringer/Multi-beam or Girder
- Steel Continuous
- Length
- 633 ft
- 3 main spans
- Daily traffic
- 13,200
- 2023 count
- Owner
- State
- State Highway Agency
About this bridge
Peoria Rd. / Bl 55 over Sangamon River is a steel continuous stringer/multi-beam or girder carrying Peoria Rd. / Bl 55 over Sangamon River in Sangamon County, Illinois. It was built in 1926 and reconstructed in 1988, so it is 99 years old, older than the Illinois average of 45.3 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 13,200 vehicles a day, roughly 4% of them trucks, projected to reach 16,261 by 2046. The structure is 633 ft (192.8 m) long and 67 ft wide. If it were closed, the detour would be 1.9 mi (3 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 6 Satisfactory | Structural elements show some minor deterioration. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was Peoria Rd. / Bl 55 over Sangamon River built?
It was built in 1926, making it 99 years old in 2025. It was reconstructed in 1988.
What condition is Peoria Rd. / Bl 55 over Sangamon River in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.
How much traffic does Peoria Rd. / Bl 55 over Sangamon River carry?
About 13,200 vehicles per day (2023 count), of which roughly 4% are trucks.
How long is Peoria Rd. / Bl 55 over Sangamon River?
The structure is 633 ft (192.8 m) long with a longest span of 159 ft (48.6 m) and a deck 67 ft wide.
Who owns Peoria Rd. / Bl 55 over Sangamon River?
It is owned by the State Highway Agency.